Lucille Mine, Rosita District, Custer Co., Colorado, USA
|Latitude & Longitude (WGS84):||38° 6' 12'' North , 105° 19' 53'' West|
|Latitude & Longitude (decimal):||38.10333,-105.33139|
|Köppen climate type:||BSk : Cold semi-arid (steppe) climate|
REF:Deposit:: CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.
Deposit:: EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.
Commodities (Major) - Silver
Deposit Type: Vein
Development Status: Past Producer
Structure: Small Faults; Near Larger Rosita Fault, Rosita Volcanic Center, Wet Mtns
Host Rock: Trachyte
Tectonic Structure: Central Cordillera (Southern Rocky Mtns)
Commodity ListThis is a list of exploitable or exploited mineral commodities recorded at this locality.
2 valid minerals.
Rock Types Recorded
Select Rock List TypeAlphabetical List Tree Diagram
Entries shown in red are rocks recorded for this region.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
23.03 - 33.9 Ma
|Intra-ash flow andesitic lavas|
1600 - 2500 Ma
|Paleoproterozoic crystalline metamorphic rocks|
Age: Proterozoic (1600 - 2500 Ma)
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529.